Mellanox Technologies MCX512F-ACAT network card Internal Fiber 25000 Mbit/s
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MCX512F-ACAT
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MCX512F-ACAT Overview
MELLANOX MCX512F-ACAT Connectx-5 25gbe Dual-port Sfp28 Pci En Network Interface Card
25GbE, PCIe3.0 x16, SFP28/SFP+/SFP
- Wired
- PCI Express 3.0 Fiber
- 10 Gigabit Ethernet, 25 Gigabit Ethernet, 40 Gigabit Ethernet, 100 Gigabit Ethernet, Gigabit Ethernet 25000 Mbit/s
- Internal Component for: Server
Summary Description
Mellanox Technologies MCX512F-ACAT. Internal. Connectivity technology: Wired, Host interface: PCI Express, Interface: Fiber. Maximum data transfer rate: 25000 Mbit/s. Product colour: Green, Metallic
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Specifications
Overview
| Condition | Refurbished |
|---|---|
| Brand | Mellanox |
| Stock | In Stock |
Ports & interfaces
| Connectivity technology | Wired |
|---|---|
| Host interface | PCI Express |
| Interface | Fiber |
| Fiber optic connector | SFP, SFP+, SFP28 |
| PCI version | 3.0 |
Network
| Maximum data transfer rate | 25000 Mbit/s |
|---|---|
| Networking standards | IEEE 802.1Q, IEEE 802.1Qau, IEEE 802.1Qaz, IEEE 802.1Qbb, IEEE 802.1Qbg, IEEE 802.1p, IEEE 802.3ad, IEEE 802.3ae, IEEE 802.3ap, IEEE 802.3az |
| Ethernet LAN | Yes |
| Ethernet interface type | 10 Gigabit Ethernet, 25 Gigabit Ethernet, 40 Gigabit Ethernet, 100 Gigabit Ethernet, Gigabit Ethernet |
| Ethernet LAN data rates | 1000,10000,25000,40000,100000 Mbit/s |
Design
| Component for | Server |
|---|---|
| Product colour | Green, Metallic |
| Internal | Yes |
Resources
Documents
Frequently Asked Questions
What are the primary performance specifications of the Mellanox ConnectX-5 MCX512F-ACAT? +
The MCX512F-ACAT is a high-performance dual-port 10/25GbE Ethernet adapter. It utilizes the PCIe Gen 3.0/4.0 x8 interface to deliver low latency and high throughput, making it ideal for bandwidth-intensive data center applications, high-frequency trading, and cloud computing environments that require reliable, wire-speed connectivity.
Which physical media connectors are supported by this adapter? +
This network interface card features two SFP28 ports. These ports provide the flexibility to use either SFP28 transceivers for long-range fiber connectivity or SFP28 direct attach copper (DAC) cables for short-reach, top-of-rack deployments, ensuring compatibility with standard enterprise cabling infrastructures.
Does the MCX512F-ACAT support advanced offloading technologies for virtualization? +
Yes, this card supports industry-leading hardware offloads including SR-IOV, RDMA over Converged Ethernet (RoCE), and VXLAN encapsulation. These features significantly reduce CPU overhead by offloading networking tasks to the card, effectively increasing server efficiency and overall virtual machine performance in dense virtualization environments.
What is the form factor of the MCX512F-ACAT and how does it fit into server racks? +
The MCX512F-ACAT is designed as a low-profile, half-height PCIe adapter. This compact form factor ensures compatibility with a wide range of standard 1U, 2U, and tower servers, allowing for flexible deployment in space-constrained data center environments without sacrificing performance or thermal efficiency.
How does the ConnectX-5 architecture improve data center security? +
The ConnectX-5 series integrates hardware-based security features, including advanced flow steering and block-level encryption support. By offloading these security operations to the network interface card, the system maintains high throughput while protecting data in transit, which is essential for secure multi-tenant cloud and enterprise architectures.
Can the MCX512F-ACAT be used in both 10GbE and 25GbE environments? +
This adapter provides excellent versatility by supporting both 10GbE and 25GbE link speeds. This dual-speed capability allows network administrators to standardize on this specific model even in hybrid environments, facilitating seamless migration paths as the data center infrastructure is upgraded from 10GbE to 25GbE.
What operating systems are compatible with this Mellanox NIC? +
Mellanox provides extensive driver support for the MCX512F-ACAT across major operating systems, including various Linux distributions, Windows Server editions, and VMware ESXi. This broad compatibility ensures easy integration into existing heterogeneous server fleets while maintaining optimal performance through the widely supported Mellanox OFED software stack.
Is the MCX512F-ACAT suitable for high-frequency trading or low-latency applications? +
Absolutely. The ConnectX-5 series is engineered specifically for low-latency communication. With its hardware-based acceleration for RDMA and message passing interface (MPI) protocols, it provides the deterministic, sub-microsecond latency performance required for time-sensitive workloads such as financial trading platforms and scientific high-performance computing clusters.
How can I obtain a bulk quote for multiple MCX512F-ACAT units? +
For organizations planning large-scale deployments, BuyRouterSwitch.com makes procurement straightforward. Simply add the required quantity to your cart or contact our dedicated sales team directly. We specialize in providing competitive pricing and tailored solutions for volume orders, ensuring that your enterprise infrastructure project stays within budget while meeting strict technical requirements.
Why should I choose BuyRouterSwitch.com for my networking hardware needs? +
BuyRouterSwitch.com is a trusted source for authentic, high-quality enterprise hardware. We prioritize secure ordering processes and maintain a deep inventory of Mellanox components, allowing us to support your specific project timelines. Our commitment to providing genuine networking solutions ensures that your data center remains stable, secure, and fully compliant with industry standards.
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